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    <meta charset="UTF-8">
    <title>第二章JavaScript语法</title>
    <link href="index.css" rel="stylesheet"/>
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<body>
    <h1>该买什么？</h1>
    <p title="remind">不要忘记买以下物品</p>
    <ul id="ul_purchase">
        <li>鞋子</li>
        <li>袜子</li>
        <li>衣服</li>
    </ul>
    <script type="text/javascript" src="index.js"></script>
</body>
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